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-rw-r--r--dom/security/DOMSecurityMonitor.h43
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_DOMSecurityMonitor_h
+#define mozilla_dom_DOMSecurityMonitor_h
+
+#include "nsStringFwd.h"
+
+class nsIChannel;
+class nsIPrincipal;
+
+class DOMSecurityMonitor final {
+ public:
+ /* The fragment parser is triggered anytime JS calls innerHTML or similar
+ * JS functions which can generate HTML fragments. This generation of
+ * HTML might be dangerous, hence we should ensure that no new instances
+ * of innerHTML and similar functions are introduced in system privileged
+ * contexts, or also about: pages, in our codebase.
+ *
+ * If the auditor detects a new instance of innerHTML or similar
+ * function it will CRASH using a strong assertion.
+ */
+ static void AuditParsingOfHTMLXMLFragments(nsIPrincipal* aPrincipal,
+ const nsAString& aFragment);
+
+ /* The use of javascript: URIs in system privileged contexts or
+ * also about: pages is considered unsafe and discouraged.
+ *
+ * If the auditor detects a javascript: URI in a privileged
+ * context it will CRASH using a strong assertion.
+ *
+ */
+ static void AuditUseOfJavaScriptURI(nsIChannel* aChannel);
+
+ private:
+ DOMSecurityMonitor() = default;
+ ~DOMSecurityMonitor() = default;
+};
+
+#endif /* mozilla_dom_DOMSecurityMonitor_h */